/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/
		  
var tb_pathToImage = "images/loadingAnimation.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
$(document).ready(function(){   
    tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
    imgLoader = new Image();// preload image
    imgLoader.src = tb_pathToImage;
});

//add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk){
    $(domChunk).click(function(){
        var t = this.title || this.name || null;
        var a = this.href || this.alt;
        var g = this.rel || false;
        tb_show(t,a,g);
        this.blur();
        return false;
    });
}

function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

    try {
        if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
            $("body","html").css({
                height: "100%", 
                width: "100%"
            });
            $("html").css("overflow","hidden");
            if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
                $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
                $("#TB_overlay").click(tb_remove);
            }
        }else{//all others
            if(document.getElementById("TB_overlay") === null){
                $("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
                $("#TB_overlay").click(tb_remove);
            }
        }
		
        if(tb_detectMacXFF()){
            $("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
        }else{
            $("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
        }
		
        if(caption===null){
            caption="";
        }
        $("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
        $('#TB_load').show();//show loader
		
        var baseURL;
        if(url.indexOf("?")!==-1){ //ff there is a query string involved
            baseURL = url.substr(0, url.indexOf("?"));
        }else{ 
            baseURL = url;
        }
	   
        var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
        var urlType = baseURL.toLowerCase().match(urlString);

        if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
				
            TB_PrevCaption = "";
            TB_PrevURL = "";
            TB_PrevHTML = "";
            TB_NextCaption = "";
            TB_NextURL = "";
            TB_NextHTML = "";
            TB_imageCount = "";
            TB_FoundURL = false;
            if(imageGroup){
                TB_TempArray = $("a[rel="+imageGroup+"]").get();
                for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
                    var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
                    if (!(TB_TempArray[TB_Counter].href == url)) {						
                        if (TB_FoundURL) {
                            TB_NextCaption = TB_TempArray[TB_Counter].title;
                            TB_NextURL = TB_TempArray[TB_Counter].href;
                            TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Siguiente &gt;</a></span>";
                        } else {
                            TB_PrevCaption = TB_TempArray[TB_Counter].title;
                            TB_PrevURL = TB_TempArray[TB_Counter].href;
                            TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Anterior</a></span>";
                        }
                    } else {
                        TB_FoundURL = true;
                        TB_imageCount = "Imagen " + (TB_Counter + 1) +" de "+ (TB_TempArray.length);											
                    }
                }
            }

            imgPreloader = new Image();
            imgPreloader.onload = function(){		
                imgPreloader.onload = null;
				
                // Resizing large images - orginal by Christian Montoya edited by me.
                var pagesize = tb_getPageSize();
                var x = pagesize[0] - 150;
                var y = pagesize[1] - 150;
                var imageWidth = imgPreloader.width;
                var imageHeight = imgPreloader.height;
                if (imageWidth > x) {
                    imageHeight = imageHeight * (x / imageWidth); 
                    imageWidth = x; 
                    if (imageHeight > y) { 
                        imageWidth = imageWidth * (y / imageHeight); 
                        imageHeight = y; 
                    }
                } else if (imageHeight > y) { 
                    imageWidth = imageWidth * (y / imageHeight); 
                    imageHeight = y; 
                    if (imageWidth > x) { 
                        imageHeight = imageHeight * (x / imageWidth); 
                        imageWidth = x;
                    }
                }
                // End Resizing
			
                TB_WIDTH = imageWidth + 30;
                TB_HEIGHT = imageHeight + 60;
                $("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>Cerrar</a> o precionar Escape</div>"); 		
			
                $("#TB_closeWindowButton").click(tb_remove);
			
                if (!(TB_PrevHTML === "")) {
                    function goPrev(){
                        if($(document).unbind("click",goPrev)){
                            $(document).unbind("click",goPrev);
                        }
                        $("#TB_window").remove();
                        $("body").append("<div id='TB_window'></div>");
                        tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
                        return false;	
                    }
                    $("#TB_prev").click(goPrev);
                }
			
                if (!(TB_NextHTML === "")) {		
                    function goNext(){
                        $("#TB_window").remove();
                        $("body").append("<div id='TB_window'></div>");
                        tb_show(TB_NextCaption, TB_NextURL, imageGroup);				
                        return false;	
                    }
                    $("#TB_next").click(goNext);
				
                }

                document.onkeydown = function(e){ 	
                    if (e == null) { // ie
                        keycode = event.keyCode;
                    } else { // mozilla
                        keycode = e.which;
                    }
                    if(keycode == 27){ // close
                        tb_remove();
                    } else if(keycode == 190){ // display previous image
                        if(!(TB_NextHTML == "")){
                            document.onkeydown = "";
                            goNext();
                        }
                    } else if(keycode == 188){ // display next image
                        if(!(TB_PrevHTML == "")){
                            document.onkeydown = "";
                            goPrev();
                        }
                    }	
                };
			
                tb_position();
                $("#TB_load").remove();
                actual=TB_Counter;
                if(actual < TB_TempArray.length){
                    $("#TB_ImageOff").click(goNext);
                }else{
                    $("#TB_ImageOff").click(tb_remove);
                }
                $("#TB_window").css({
                    display:"block"
                }); //for safari using css instead of show
            };
			
            imgPreloader.src = url;
        }else{//code to show html
			
            var queryString = url.replace(/^[^\?]+\??/,'');
            var params = tb_parseQuery( queryString );

            TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
            TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
            ajaxContentW = TB_WIDTH - 30;
            ajaxContentH = TB_HEIGHT - 45;
			
            if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window		
                urlNoQuery = url.split('TB_');
                $("#TB_iframeContent").remove();
                if(params['modal'] != "true"){//iframe no modal
                    $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");
                }else{//iframe modal
                    $("#TB_overlay").unbind();
                    $("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
                }
            }else{// not an iframe, ajax
                if($("#TB_window").css("display") != "block"){
                    if(params['modal'] != "true"){//ajax no modal
                        $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
                    }else{//ajax modal
                        $("#TB_overlay").unbind();
                        $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");	
                    }
                }else{//this means the window is already up, we are just loading new content via ajax
                    $("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
                    $("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
                    $("#TB_ajaxContent")[0].scrollTop = 0;
                    $("#TB_ajaxWindowTitle").html(caption);
                }
            }
					
            $("#TB_closeWindowButton").click(tb_remove);
			
            if(url.indexOf('TB_inline') != -1){	
                $("#TB_ajaxContent").append($('#' + params['inlineId']).children());
                $("#TB_window").unload(function () {
                    $('#' + params['inlineId']).append( $("#TB_ajaxContent").children() ); // move elements back when you're finished
                });
                tb_position();
                $("#TB_load").remove();
                $("#TB_window").css({
                    display:"block"
                }); 
            }else if(url.indexOf('TB_iframe') != -1){
                tb_position();
                if($.browser.safari){//safari needs help because it will not fire iframe onload
                    $("#TB_load").remove();
                    $("#TB_window").css({
                        display:"block"
                    });
                }
            }else{
                $("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
                    tb_position();
                    $("#TB_load").remove();
                    tb_init("#TB_ajaxContent a.thickbox");
                    $("#TB_window").css({
                        display:"block"
                    });
                });
            }
			
        }

        if(!params['modal']){
            document.onkeyup = function(e){ 	
                if (e == null) { // ie
                    keycode = event.keyCode;
                } else { // mozilla
                    keycode = e.which;
                }
                if(keycode == 27){ // close
                    tb_remove();
                }	
            };
        }
		
    } catch(e) {
    //nothing here
    }
}

//helper functions below
function tb_showIframe(){
    $("#TB_load").remove();
    $("#TB_window").css({
        display:"block"
    });
}

function tb_remove() {
    $("#TB_imageOff").unbind("click");
    $("#TB_closeWindowButton").unbind("click");
    $("#TB_window").fadeOut("fast",function(){
        $('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();
    });
    $("#TB_load").remove();
    if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
        $("body","html").css({
            height: "auto", 
            width: "auto"
        });
        $("html").css("overflow","");
    }
    document.onkeydown = "";
    document.onkeyup = "";
    return false;
}

function tb_position() {
    $("#TB_window").css({
        marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', 
        width: TB_WIDTH + 'px'
    });
    if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
        $("#TB_window").css({
            marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'
        });
    }
}

function tb_parseQuery ( query ) {
    var Params = {};
    if ( ! query ) {
        return Params;
    }// return empty object
    var Pairs = query.split(/[;&]/);
    for ( var i = 0; i < Pairs.length; i++ ) {
        var KeyVal = Pairs[i].split('=');
        if ( ! KeyVal || KeyVal.length != 2 ) {
            continue;
        }
        var key = unescape( KeyVal[0] );
        var val = unescape( KeyVal[1] );
        val = val.replace(/\+/g, ' ');
        Params[key] = val;
    }
    return Params;
}

function tb_getPageSize(){
    var de = document.documentElement;
    var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
    var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
    arrayPageSize = [w,h];
    return arrayPageSize;
}

function tb_detectMacXFF() {
    var userAgent = navigator.userAgent.toLowerCase();
    if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
        return true;
    }
}


